Home / 2,226.07-3,340.32-928.45

Finding the Fourth Proportional to 2,226.07, 3,340.32 and 928.45

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Solution

The fourth proportional to 2,226.07, 3,340.32 and 928.45 is: 1,393.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.07 : 3,340.32 = 928.45 : x
  2. Step 2: Convert to fraction form
    2,226.07/3,340.32 = 928.45/x
  3. Step 3: Cross multiply
    2,226.07x = 3,340.32 × 928.45
  4. Step 4: Simplify right side
    2,226.07x = 3,101,320.10
  5. Step 5: Solve for x
    x = 3,101,320.10/2,226.07
  6. Step 6: Final answer
    x = 1,393.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.